Quote:
Originally Posted by steinra
Ultimately I am trying to figure out if I need multiple separate 24V step ups with their corresponding step downs for each device, or can I have a "sub" PD with separate fusing?
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Consider all your separate custom circuits as one system, a black box. Power goes in, it does some stuff.
You can consider them multiple separate custom circuits, or as one single custom circuit.
That said, why are you stepping up to 24v then down to 12v and 5v?
It doesn't sound like you need 24v at all in your custom circuit. It sounds like 5v and "possibly" 12v.
You can get 12v directly off the PDB through a breaker. No rule violation there.
You can get 5V for a custom circuit from any of the places listed above in this thread.
If you have LED strips. Get a 12v to 5v regulator with a high enough current rating to feed your strip, and plug it in to the PDB...
Don't make it harder than it has to be.